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Finding the Fourth Proportional to 372,665.41, 558,276.40 and 223,023.58

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Solution

The fourth proportional to 372,665.41, 558,276.40 and 223,023.58 is: 334,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,665.41 : 558,276.40 = 223,023.58 : x
  2. Step 2: Convert to fraction form
    372,665.41/558,276.40 = 223,023.58/x
  3. Step 3: Cross multiply
    372,665.41x = 558,276.40 × 223,023.58
  4. Step 4: Simplify right side
    372,665.41x = 124,508,800,240.60
  5. Step 5: Solve for x
    x = 124,508,800,240.60/372,665.41
  6. Step 6: Final answer
    x = 334,103.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.